v2.0.2: Quality display, fallback fix, Open in Spotify fix

- Add actual quality display (bit depth/sample rate) in history and metadata
- Add quality disclaimer in quality picker
- Fix fallback service display showing wrong service
- Fix Open in Spotify not opening app correctly
- Remove romaji conversion feature
- Amazon now reads quality from FLAC file

lib/models/settings.dart

@@ -16,7 +16,6 @@ class AppSettings {
   final bool checkForUpdates; // Check for updates on app start
   final bool hasSearchedBefore; // Hide helper text after first search
   final String folderOrganization; // none, artist, album, artist_album
-  final bool convertLyricsToRomaji; // Convert Japanese lyrics to romaji
   final String historyViewMode; // list, grid
   final bool askQualityBeforeDownload; // Show quality picker before each download
 
@@ -33,7 +32,6 @@ class AppSettings {
     this.checkForUpdates = true, // Default: enabled
     this.hasSearchedBefore = false, // Default: show helper text
     this.folderOrganization = 'none', // Default: no folder organization
-    this.convertLyricsToRomaji = false, // Default: keep original Japanese
     this.historyViewMode = 'grid', // Default: grid view
     this.askQualityBeforeDownload = true, // Default: ask quality before download
   });
@@ -51,7 +49,6 @@ class AppSettings {
     bool? checkForUpdates,
     bool? hasSearchedBefore,
     String? folderOrganization,
-    bool? convertLyricsToRomaji,
     String? historyViewMode,
     bool? askQualityBeforeDownload,
   }) {
@@ -68,7 +65,6 @@ class AppSettings {
       checkForUpdates: checkForUpdates ?? this.checkForUpdates,
       hasSearchedBefore: hasSearchedBefore ?? this.hasSearchedBefore,
       folderOrganization: folderOrganization ?? this.folderOrganization,
-      convertLyricsToRomaji: convertLyricsToRomaji ?? this.convertLyricsToRomaji,
       historyViewMode: historyViewMode ?? this.historyViewMode,
       askQualityBeforeDownload: askQualityBeforeDownload ?? this.askQualityBeforeDownload,
     );

lib/models/settings.g.dart

@@ -19,7 +19,6 @@ AppSettings _$AppSettingsFromJson(Map<String, dynamic> json) => AppSettings(
   checkForUpdates: json['checkForUpdates'] as bool? ?? true,
   hasSearchedBefore: json['hasSearchedBefore'] as bool? ?? false,
   folderOrganization: json['folderOrganization'] as String? ?? 'none',
-  convertLyricsToRomaji: json['convertLyricsToRomaji'] as bool? ?? false,
   historyViewMode: json['historyViewMode'] as String? ?? 'grid',
   askQualityBeforeDownload: json['askQualityBeforeDownload'] as bool? ?? true,
 );
@@ -38,7 +37,6 @@ Map<String, dynamic> _$AppSettingsToJson(AppSettings instance) =>
       'checkForUpdates': instance.checkForUpdates,
       'hasSearchedBefore': instance.hasSearchedBefore,
       'folderOrganization': instance.folderOrganization,
-      'convertLyricsToRomaji': instance.convertLyricsToRomaji,
       'historyViewMode': instance.historyViewMode,
       'askQualityBeforeDownload': instance.askQualityBeforeDownload,
     };